PassPhrase (Longer password)

> Software Security > Cryptography - Key

1 - About

A passprase is like a password except:

  • it is longer
  • it's generally not coupled to a login

In the early days passwords on Unix system were limited to 8 characters, so the term passphrase for longer passwords.

Longer is the password harder it is to guess.

Nowadays Unix systems use MD5 hashes which have no limitation in length of the input (ie password).

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3 - Management

3.1 - Remove

cp server.key.pem server.key_with_pwd.pem
openssl rsa -in server.key_with_pwd.pem -out server.key.pem -passin file:pass.txt

4 - Documentation / Reference

security/key/passphrase.txt · Last modified: 2019/07/09 09:13 by gerardnico